From c9d76d0655c06b8c1f944e46c4fd9e9cf4b331c0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= <niklas.soderlund+renesas@ragnatech.se>
Date: Wed, 29 Aug 2018 23:29:21 +0200
Subject: [PATCH] dma-mapping: fix return type of dma_set_max_seg_size()
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Git-commit: c9d76d0655c06b8c1f944e46c4fd9e9cf4b331c0
Patch-mainline: v5.0-rc1
References: bsc#1051510
The function dma_set_max_seg_size() can return either 0 on success or
-EIO on error. Change its return type from unsigned int to int to
capture this.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
include/linux/dma-mapping.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 15bd41447025..0f81c713f6e9 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -676,8 +676,7 @@ static inline unsigned int dma_get_max_seg_size(struct device *dev)
return SZ_64K;
}
-static inline unsigned int dma_set_max_seg_size(struct device *dev,
- unsigned int size)
+static inline int dma_set_max_seg_size(struct device *dev, unsigned int size)
{
if (dev->dma_parms) {
dev->dma_parms->max_segment_size = size;
--
2.16.4